1 to 25 of 189 Permanent Java Jobs in the South East

the brightest and most talented commercial and technical innovators to join our development team, and right now, we are looking for a solid Full Stack Software Engineer with strong Java, and ideally React, Angular, and DevOps experience. About the Role The Role Our Software Engineers are responsible for the full software development lifecycle - writing well-designed, testable, maintainable, and efficient … part of Preservica, you need: BSc level education in an engineering/software/system-related subject or equivalent through relevant training and/or experience 4+ years of Java experience and experience in Java development (Enterprise level a bonus) Familiar with Agile development practices, including Continuous Integration and Scrum Good knowledge of Java, Dependency Injection (Spring), Hibernate, and Web More ❯

the brightest and most talented commercial and technical innovators to join our development team and right now we are looking for a solid Full Stack Software Engineer with strong Java, and ideally React, Angular, DevOps experience. The Role Our Software Engineers are responsible for the full software development lifecycle; writing well designed, testable and maintainable efficient code. Your work will … be part of Preservica you need: BSc level education in an engineering/software/system related subject or equivalent through relevant training and/or experience. 4+ years Java experience. Experience in Java development (Enterprise level a bonus). Be familiar with Agile development practices, including Continuous Integration and Scrum. Good knowledge of Java, Dependency Injection (Spring), Hibernate and More ❯

and defence. This role will require 1-2 days per week onsite in Milton Keynes, with the remainder remote. Responsibilities:* Design, build and test complex full-stack applications using Java and React* Develop secure software solutions, integrating open-source and proprietary technologies* Contribute to API design and system architecture for private cloud and air-gapped environments* Work closely with end … in both internal and client environments* Produce well-documented, testable code and maintain strong configuration control What we're looking for:* Strong experience in back-end development, ideally with Java and/or Python* Front-end development experience using JavaScript and React* Good knowledge of relational databases and both Linux and Microsoft environments* Familiarity with secure DevOps principles and containerisation … re passionate about building secure, mission-critical software and want to work on high-impact public sector projects, we would love to hear from you. Keywords:Full Stack Developer, Java Developer, React Developer, SC Clearance, Public Sector IT, Secure Software, DevOps, Docker, API Design, Cloud Engineering, Defence Software, Agile Developer, Software Engineer Milton Keynes, Security Cleared Developer, Government Projects, JavaScript More ❯

UKs most iconic omni-channel retailers is looking for a BackEnd Software Engineer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This role is a … with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best … take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity More ❯

technologies and frameworks to maintain our competitive advantage. Required Skills & Experience 5+ years in solution architecture or software engineering, with strong proficiency in modern programming languages (Python, JavaScript, TypeScript, Java, Go). Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context More ❯

Stay ahead of evolving AI technologies and frameworks. Required Skills & Experience 5+ years in solution architecture or software engineering, with strong proficiency in modern programming languages (Python, JavaScript, TypeScript, Java, Go). Proven experience with AI-assisted development tools (e.g., GitHub Copilot, Amazon CodeWhisperer) and integrating large language models (LLMs) and AI APIs. Deep understanding of microservices architecture, Model Context More ❯

Are you a Back End Java Developer with experience within the iGaming and Gambling sector looking for a new and exciting challenge? BENEFITS : up to £95k depending on experience, fully remote, excellent benefits packageYou will be joining a rapidly expanding company within the iGaming sector, who are committed to providing top-tier gaming experiences to players around the world. They … are recognised among the top brands within our market, blending sports betting and online casino entertainment on a cutting-edge, custom-built platform. You will be a skilled Senior Java Backend Developer who is a self-motivated professional with a strong track record and a passion for excellence. You'll play a key role in developing innovative iGaming products, leveraging … Work closely with the team to implement complex backend logic and platform solutions. Write clean, scalable, and maintainable code, adhering to industry best practices. Stay updated on the latest Java frameworks, libraries, and development techniques. Translate business needs into technical solutions, estimating time, costs, and requirements. Develop, test, and deploy backend solutions that meet client expectations. Provide ongoing support and More ❯

cloud, openshift )Docker and Kubernetes, cloudContinuous Integration (maven, git, Jenkins, sonar )SQL and noSQL DBsMQ messagging Tools (JMS, rabbitMQ, Kafka )Experience in Scrum methodologyJob Description:Technical Architect with extensive Java experience (v8+)Experience: at least 8 yearsUnit and integration testing. JUnit, MockitoRequired:Architecture definitionLeadership skillsDevelopment of software architectures in JEE environmentsSpring Technology Stack (MVC, Core, Security, Data )Microservices (spring boot More ❯

and design through to build, test, deployment, and support Drive best practices in DevOps, continuous delivery, test automation (TDD/BDD), and cloud-native development. Provide architectural direction on Java-based microservices, RESTful APIs, and event-driven systems. Collaborate with technology and business stakeholders to translate strategic goals into clear technical roadmaps and actionable outcomes. Promote a culture of innovation … real-time platforms. A collaborative and supportive environment that values experimentation, learning, and continuous improvement. What are we looking for? You'll demonstrate: Strong hands-on technical grounding in Java-based systems, APIs, cloud engineering, and DevOps. A proven track record of leading application development teams in complex, regulated environments. Strategic thinking, strong decision-making, and an ability to align … Hands-on experience building or leading API-based, cloud-native, or real-time systems Background in the payments or banking domain, with commercial awareness of industry trends Familiarity with: Java/J2EE, Spring, RESTful APIs, relational databases Open Source technologies, CI/CD pipelines, event-driven architecture Experience in coaching and developing talent, as well as managing team performance A More ❯

and design through to build, test, deployment, and support Drive best practices in DevOps, continuous delivery, test automation (TDD/BDD), and cloud-native development. Provide architectural direction on Java-based microservices, RESTful APIs, and event-driven systems. Collaborate with technology and business stakeholders to translate strategic goals into clear technical roadmaps and actionable outcomes. Promote a culture of innovation … real-time platforms. A collaborative and supportive environment that values experimentation, learning, and continuous improvement. What are we looking for? You'll demonstrate: Strong hands-on technical grounding in Java-based systems, APIs, cloud engineering, and DevOps. A proven track record of leading application development teams in complex, regulated environments. Strategic thinking, strong decision-making, and an ability to align … Hands-on experience building or leading API-based, cloud-native, or real-time systems Background in the payments or banking domain, with commercial awareness of industry trends Familiarity with: Java/J2EE, Spring, RESTful APIs, relational databases Open Source technologies, CI/CD pipelines, event-driven architecture Experience in coaching and developing talent, as well as managing team performance A More ❯

and design through to build, test, deployment, and support Drive best practices in DevOps, continuous delivery, test automation (TDD/BDD), and cloud-native development. Provide architectural direction on Java-based microservices, RESTful APIs, and event-driven systems. Collaborate with technology and business stakeholders to translate strategic goals into clear technical roadmaps and actionable outcomes. Promote a culture of innovation … real-time platforms. A collaborative and supportive environment that values experimentation, learning, and continuous improvement. What are we looking for? You'll demonstrate: Strong hands-on technical grounding in Java-based systems, APIs, cloud engineering, and DevOps. A proven track record of leading application development teams in complex, regulated environments. Strategic thinking, strong decision-making, and an ability to align … Hands-on experience building or leading API-based, cloud-native, or real-time systems Background in the payments or banking domain, with commercial awareness of industry trends Familiarity with: Java/J2EE, Spring, RESTful APIs, relational databases Open Source technologies, CI/CD pipelines, event-driven architecture Experience in coaching and developing talent, as well as managing team performance A More ❯

a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience of applications across esure. Good working knowledge of Java is needed for this position. What you’ll do: Support batch processing and carry out proactive analysis across squads and services. Review Java code and suggest improvements to enhance quality … Provide data analysis to support business decisions across Operations and Claims. Deliver patching, database fixes, and business-critical data correction services. Qualifications What we’d love you to bring: Java 17+ (preferably 21), Spring Boot Jenkins, GIT and CI/CD Jira and Confluence Monitoring/alerting tools and solutions Scripting or coding with shell/bash, and Python Standard More ❯

Salary £90,000 per year Requirements Approximately 5 years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot Deep understanding of RESTful API design and integration Experience with Agile methodologies (Scrum or Kanban), TDD, and pair programming practices Experience with CI/CD pipelines and automation tooling Knowledge of Docker More ❯

with web-based applications. Fluent in English with strong communication skills (verbal and written). Strong quality culture. Be knowledgeable in our core and perspective tech: C#/.NET, Java, Spring, Backend API development, Angular, JavaScript, Bootstrap. Experience with Azure DevOps and CI/CD pipelines. Experience with Unit Testing Frameworks. Experience with test automation, e.g. Cypress Experience with API More ❯

with web-based applications. Fluent in English with strong communication skills (verbal and written). Strong quality culture. Be knowledgeable in our core and perspective tech: C#/.NET, Java, Spring, Backend API development, Angular, JavaScript, Bootstrap. Experience with Azure DevOps and CI/CD pipelines. Experience with Unit Testing Frameworks. Experience with test automation, e.g. Cypress Experience with API More ❯

study. Or equivalent technical experience in a professional environment Experience in front-end/back-end technologies, such as: Angular or Nest.js Experience with object-oriented programming language, including JAVA, Node.js or SpringBoot Experience creating applications in cloud-based and cloud native development environments (ex. Azure, AWS, Google, Kubernetes) Experience creating and consuming Restful and/or SOAP API's More ❯

Data Engineer - Investment Banking - London/Hybrid (Data Engineer, SQL Data Engineer, Java, Python, Spark, Scala, SQL, Snowflake, OO programming, Snowflake, Databricks, Data Fabric, design patterns, SOLID principles, ETL, Unit testing, NUnit, MSTest, Junit, Microservices Architecture, Continuous Integration, Azure DevOps, AWS, Jenkins, Agile, Data Engineer, SQL Data Engineer) We have several fantastic new roles including a Data Engineer position to … growing at lightning pace and hiring across several teams to join their new and growing IT team! They are looking for an experienced Lead Data Engineer with expert level Java/Python, as well as Snowflake/Databricks to join an exceptional core engineering team and deliver features across their Data Engineering platform. We are seeking a Data Engineer who … has advanced working knowledge of Snowflake/Databricks and Java/Python, as well as experience with Microservices Architecture and Continuous Integration. Exposure to NUnit, MSTest and Junit would be beneficial, along with knowledge of ETL, Azure DevOps, AWS, and Jenkins. There is a vast amount of knowledge and experience within the business to share with the right person, so More ❯

You'll develop scalable test automation frameworks with a focus on data validation using tools like Pandas, and lead strategies for testing data lakes. Collaborate closely with QA and Java/Spring Boot development teams to ensure data quality and reliability across our sports technology ecosystem. What Your Day Will Look Like Build scalable and robust frameworks for validating complex … data systems, pipelines, and APIs using tools like Pandas, Great Expectations, and Java modules. Collaborate with development teams to design and implement automated tests for microservices, emphasizing Spring Boot and Java-based architectures. Implement testing strategies for AWS data lakes (e.g., S3, Glue, Athena) with a focus on schema evolution, data quality rules, and performance benchmarks, prioritizing data lake testing … video streaming solutions, focusing on performance, low latency, and seamless user experiences would be advantageous Our Tech Stack C Computer Vision: C+/20, Qt, Boost, ZeroMQ, ElasticSearch. Web: Java, Node.js, RESTful APIs, JUnit. General: Git, Docker, AWS, Jenkins, GitHub Actions. ML: Python, TensorRT. Our agile teams work with the latest technologies to build solutions for sports like tennis, cricket More ❯

data quality, and data transformation logic. Use tools like Azure Deequ , Spark , and Databricks to ensure data accuracy and completeness. Write robust, scalable test scripts in Scala , Python , and Java . Integrate testing into CI/CD pipelines and support infrastructure automation. Collaborate with data engineers, architects, and analysts to align QA efforts with data strategies. What Were Looking For … for quality in data. If you meet most of these, wed love to hear from you: Must-Have Skills: Eligible for SC clearance. Development background in Scala , Python , or Java Solid understanding of data engineering practices and data validation techniques. Experience using test automation frameworks for data pipelines and ETL workflows Strong communication and stakeholder management skills. Nice-to-Have More ❯

collectors/pipelines such as FluentBit, OpenTelemetry, Cribl, and Logstash. Experience with web technologies such as HTML, CSS, and JavaScript. Experience with programming/scripting side technologies such as Java, .NET, PHP, Go, Node.js and database. Advanced knowledge of Operating Systems (OS) including Windows and Linux. Experience with DevOps or Site Reliability Engineering practices Knowledge with cloud platforms, including AWS More ❯

of ownership and commitment to shared team goals Your profile 3+ years of experience developing commercial software Good understanding of software design patterns and architecture principles Commercial experience with Java or C#/.NET Commercial experience with React and TypeScript for front-end development Familiarity with Git and CI/CD pipelines (preferably Azure DevOps) Familiarity with containerization and orchestration More ❯

standard Logical Analysis of technical solutions and problem solving Experience working on Linux or Windows based infrastructure Excellent understanding of modern programming languages such as Ruby, Python, Perl, and Java developing ML models and automation scripts. Experience with popular ML frameworks and libraries, such as TensorFlow, PyTorch, Scikit-learn, and Keras. Understanding of algorithms and techniques for supervised and unsupervised More ❯

Avanti Recruitment is currently working with a global financial award-winning UK-based FinTech trading company who are currently looking to hire a Mid-Level Java Developer. The office is in Surrey with good transport links, you will be required in the office 3 days per week. On a day-to-day basis you will find yourself working across the … full software development life cycle including design/architecture. You will be involved in developing and maintaining Java-based applications, APIs, and backend services. You will spend roughly 70% of your time working on a Legacy Java 8 system, and helping modernise the legacy systems into a newer Java 17 microservice architecture, as well as being involved in system enhancements … team as well as the trading colleagues and other developers on a daily basis to ensure you are delivering excellent service to the company's clients. Experience needed: Strong Java experience Experience working with Legacy systems & Migrations Solid OOP understanding Some understanding of cloud - They use AWS (even exposure as a hobby is fine) Experience with REST APIs design & integration More ❯

Avanti Recruitment is currently working with a global financial award-winning UK-based FinTech trading company who are currently looking to hire a Mid-Level Java Developer. The office is in Surrey with good transport links, you will be required in the office 3 days per week. On a day-to-day basis you will find yourself working across the … full software development life cycle including design/architecture. You will be involved in developing and maintaining Java-based applications, APIs, and backend services. You will spend roughly 70% of your time working on a Legacy Java 8 system, and helping modernise the legacy systems into a newer Java 17 microservice architecture, as well as being involved in system enhancements … team as well as the trading colleagues and other developers on a daily basis to ensure you are delivering excellent service to the company's clients. Experience needed: Strong Java experience Experience working with Legacy systems & Migrations Solid OOP understanding Some understanding of cloud - They use AWS (even exposure as a hobby is fine) Experience with REST APIs design & integration More ❯

Role: Software Engineer Location: 1-2 days a week in London Salary: £60,000 - £80,000 + Bonus Are you a motivated java microservices specialised software engineer looking to elevate your career? Are you a meticulously and driven problem solver with a can do attitude? Then you'll value the highly specialised and parliamentary professional environment this job role offers … experience to engineer software, scripts and tools a often complex, as well as liaising with other engineers, architects and business analysts across the platform. Ideal Candidate: Building applications in Java, ideally as microservices JUnit experience is ideal Building quality into the applications that you create and being able to evidence this usually with exposure to Test Driven Development or similar More ❯